Fix OSR for nested loops.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3744 matching lines @@
 void Code::set_safepoint_table_offset(unsigned offset) {
   CHECK(offset <= (1 << kSafepointTableOffsetBitCount));
   ASSERT(kind() == OPTIMIZED_FUNCTION || kind() == COMPILED_STUB);
   ASSERT(IsAligned(offset, static_cast<unsigned>(kIntSize)));
   int previous = READ_UINT32_FIELD(this, kKindSpecificFlags2Offset);
   int updated = SafepointTableOffsetField::update(previous, offset);
   WRITE_UINT32_FIELD(this, kKindSpecificFlags2Offset, updated);
 }
 
 
-unsigned Code::stack_check_table_offset() {
+unsigned Code::back_edge_table_offset() {
   ASSERT_EQ(FUNCTION, kind());
-  return StackCheckTableOffsetField::decode(
+  return BackEdgeTableOffsetField::decode(
       READ_UINT32_FIELD(this, kKindSpecificFlags2Offset));
 }
 
 
-void Code::set_stack_check_table_offset(unsigned offset) {
+void Code::set_back_edge_table_offset(unsigned offset) {
   ASSERT_EQ(FUNCTION, kind());
   ASSERT(IsAligned(offset, static_cast<unsigned>(kIntSize)));
   int previous = READ_UINT32_FIELD(this, kKindSpecificFlags2Offset);
-  int updated = StackCheckTableOffsetField::update(previous, offset);
+  int updated = BackEdgeTableOffsetField::update(previous, offset);
   WRITE_UINT32_FIELD(this, kKindSpecificFlags2Offset, updated);
 }
 
 
-bool Code::stack_check_patched_for_osr() {
+bool Code::back_edges_patched_for_osr() {
   ASSERT_EQ(FUNCTION, kind());
-  return StackCheckPatchedForOSRField::decode(
+  return BackEdgesPatchedForOSRField::decode(
       READ_UINT32_FIELD(this, kKindSpecificFlags2Offset));
 }
 
 
-void Code::set_stack_check_patched_for_osr(bool value) {
+void Code::set_back_edges_patched_for_osr(bool value) {
   ASSERT_EQ(FUNCTION, kind());
   int previous = READ_UINT32_FIELD(this, kKindSpecificFlags2Offset);
-  int updated = StackCheckPatchedForOSRField::update(previous, value);
+  int updated = BackEdgesPatchedForOSRField::update(previous, value);
   WRITE_UINT32_FIELD(this, kKindSpecificFlags2Offset, updated);
 }
 
 
 
 CheckType Code::check_type() {
   ASSERT(is_call_stub() || is_keyed_call_stub());
   byte type = READ_BYTE_FIELD(this, kCheckTypeOffset);
   return static_cast<CheckType>(type);
 }
@@ skipping 2243 matching lines @@
 #undef WRITE_UINT32_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_